Since mid 2016, coreboot has additional fields in the serial struct that
it passes down to U-Boot. Add these so we are in sync.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Subsystems such as USB expect dma_map_single() and dma_unmap_single() to
do dcache flush/invalidate operations as required. For example, see
see drivers/usb/gadget/udc/udc-core.c::usb_gadget_map_request().
Currently drivers do this locally, (see drivers/usb/dwc3/ep0.c,
drivers/mtd/nand/raw/denali.c etc..)
Update arch specific dma_map_single() and dma_unmap_single() APIs to do
cache flush/invalidate operations, so that drivers need not implement
them locally.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Rick Chen <rick@andestech.com>
At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.
Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
The PCI bus is not actually probed by the time the ofdata_to_platdata()
method is called since that happens in the uclass's post_probe() method.
Update the PMC and P2SB drivers to access the bus in its probe() method.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add support for coral which is a range of Apollo Lake-based Chromebook
released in 2017. This also includes reef released in 2016, since it is
based on the same SoC.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
The memory and silicon init parts of the FSP need support code to work.
Add this for Apollo Lake.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
These are mostly specific to a particular SoC. Add the definitions for
Apollo Lake.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Adds a driver for the Apollo Lake Primary-to-sideband bus. This supports
various child devices. It supposed both device tree and of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add code to init the system both in TPL and SPL. Each phase has its own
procedure.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add loaders for SPL and TPL so that the next stage can be loaded from
memory-mapped SPI or, failing that, the Fast SPI driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a driver for the Apollo Lake P-unit (power unit). It is modelled as a
syscon driver since it only needs to be probed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a driver for the Apollo Lake Platform Controller Hub. It does not have
any functionality and is just a placeholder for now.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This driver the LPC and provides a few functions to set up LPC features.
These should probably use ioctls() or perhaps, better, have specific
uclass methods.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This driver models some sort of interrupt thingy but there are so many
abreviations that I cannot find out what it stands for. Possibly something
to do with interrupts.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This driver models the hostbridge as a northbridge. It simply sets up the
graphics BAR. It supports of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This driver handles communication with the systemagent which needs to be
told when U-Boot has completed its init.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a driver for the Apollo Lake pinctrl. This mostly makes use of the
common Intel pinctrl support.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a driver for the Apollo Lake UART. It uses the standard ns16550 device
but also sets up the input clock with LPSS and supports configuration via
of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a driver for the Apollo Lake SoC. It supports the basic operations and
can use device tree or of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add some fixed IO and mmap addresses for use in the device tree and with
some early-init code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This function is specific to qemu so it seems best to keep it separate
from the generic code.
Move it out to a new file and update the condition to use if() instead of
#ifdef
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Recent Intel SoCs share a pinctrl mechanism with many common elements. Add
an implementation of this core functionality, allowing SoC-specific
drivers to avoid adding common code.
As well as a pinctrl driver this provides a GPIO driver based on the same
code.
Once other SoCs use this driver we may consider moving more properties to
the device tree (e.g. the community info and pad definitions).
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This subsystem is present on various Intel SoCs.
Add very basic support for taking an lpss device out of reset.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This is used on several boards so add it to the common file. Also add a
useful power-limit value while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present binman does not support updating a device tree that is part of
U-Boot (i.e u-boot.bin). Separate the entries into two so that we can get
updated entry information. This makes binman_entry_find() work correctly.
Do the same for SPL tool.
In both cases, group the two parts into a section so that SPL symbols get
the correct total size.
It may be possible for binman to handle this automatically at some point,
by ignoring u-boot.bin and always creating it from u-boot-nodtb.bin and
u-boot.dtb
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present if SPL sets up the microcode then it is still included in
U-Boot as well. This is wasteful as microcode is large. Adjust the logic
in the image to prevent this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add these entries to the ROM so that we can list the contents of an image
with 'binman ls'. The image-header is not essential but does speed up
access.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
For Apollo Lake SPL is run from CAR (cache-as-RAM) which is in a different
location from where SPL must be placed in ROM. In other words, although
SPL runs before SDRAM is set up, it is not execute-in-place (XIP).
Add a Kconfig option for the ROM position.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
The existing work-around for positioning U-Boot in the ROM when it
actually runs from RAM still exists and there is not obvious way to change
this.
Add a proper Kconfig option to handle this case. This also adds a new bool
property to indicate whether CONFIG_SYS_TEXT_BASE exists.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Include the IFWI section and the FSP-M binary. The FSP-T binary is not
currently used, as CAR is set up manually.
Also drop the FSP binary as this relates only to FSP1.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present we don't support loading microcode with FSP2. The correct way
to do this is by adding it to the FIT. For now, disable including
microcode in the image.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Newer Intel SoCs have different ways of setting up cache-as-ram (CAR).
Add support for these along with suitable configuration options.
To make the code cleaner, adjust a few definitions in processor.h so that
they can be used from assembler.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Many Intel SoCs require a FIT in order to boot properly. Add an option to
include this and enable it by default.
This term can be confused with FIT (Flat Image Tree) in U-Boot so the
CONFIG option has to include 'X86'.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
We don't generally have enough space to run this, so don't build it into
TPL. This helps reduce the size of TPL.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
The fsp_notify() API is the same for FSP1 and FSP2. Move it into a new
common API file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
FSP-S is used by the notify call after it has been used for silicon init.
To avoid having to load it again, add a field to store the location.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
The FSP-S may do this but at least for coral it does not. Set this up so
that graphics is not deathly slow.
It isn't clear whether the FSP is expected to set up MTRR. It is not
mentioned in the APL FSP document.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add support for some important configuration options and FSP memory init.
The memory init uses swizzle tables from the device tree.
Support for the FSP_S binary is also included.
Bootstage timing is used for both FSP_M and FSP_S and memory-mapped SPI
reads.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This generic FSP file should include the generic FSP support header, not
the FSP1 version. Fix it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Both versions of FSP can use the same graphics support, so move it into
the common directory.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present the interrupt table is included in all phases of U-Boot. Allow
it to be omitted, e.g. in TPL, to reduce size.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Set up MTRRs for the FSP SDRAM regions to improve performance.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present with fsp a single DRAM bank is added which extends to the
whole size of memory. However there is typically only 2GB of memory
available below the 4GB boundary, and this is what is used by U-Boot while
running in 32-bit mode.
Scan the tables to set the banks correct. The first bank is set to memory
below 4GB, and the rest of memory is put into subsequent banks.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This function needs to be different for FSP2, so move the existing
function into the fsp1 directory. Since it is only called from one file,
drop it from the header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This function is only used within the implementation so make it static.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
With Apollo Lake we need to support a normal cache, which almost never
changes and a much smaller 'variable' cache which changes every time.
Update the code to add a cache type, use an array for the caches and use a
for loop to iterate over the caches.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This function is a bit confusing at present due to the error handling.
Update it to remove the goto, returning errors as they happen.
While we are here, use hex for the data size since this is the norm in
U-Boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present we reuse the mrc_output char * to also point to the cache
record after it has been set up. This is confusing and doesn't save much
data space.
Add a new mrc_cache member instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
It is now possible to obtain the memory map for a SPI controllers instead
of having it hard-coded in the device tree. Update the code to support
this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Change the algorithm to first find the flash device then read the
properties using the livetree API. With this change the device is not
probed so this needs to be done in mrccache_save().
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This should take account of the end of the new cache record since a record
cannot extend beyond the end of the flash region. This problem was not
seen before due to the alignment of the relatively small amount of MRC
data.
But with Apollo Lake the MRC data is about 45KB, even if most of it is
zeroes.
Fix this bug and update the parameter name to be less confusing.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present the records are 4KB in size. This is unnecessarily large when
the SPI-flash erase size is 256 bytes. Reduce it so it will be more
efficient with Apollo Lake's 24-byte variable-data record.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Define this symbol so that we can use binman symbols correctly.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Update this uclass to support the needs of the Apollo Lake ITSS. It
supports four operations.
Move the uclass into a separate directory so that sandbox can use it too.
Add a new Kconfig to control it and enable this on x86.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
We don't expect an exception in TPL and don't need to set up interrupts in
TPL. Drop this whole file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
We don't need to know every detail about the CPU in TPL. Drop some
superfluous functions to reduce code size. Add a simple CPU detection
algorithm which just supports Intel and AMD, since we only support TPL
on Intel, so far.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
On x86 platforms the timer is reset to 0 when the SoC is reset. Having
this as the timer base is useful since it provides an indication of how
long it takes before U-Boot is running.
When U-Boot sets the timer base to something else, time is lost and we
no-longer have an accurate account of the time since reset. This
particularly affects bootstage.
Change the default to not read the timer base, leaving it at 0. Add an
option for when U-Boot is the secondary bootloader.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Most x86 CPUs use a mechanism where the SPI flash is mapped into the very
top of 32-bit address space, so that it can be executed in place and read
simply by copying from memory. For an 8MB ROM the mapping starts at
0xff800000.
However some recent Intel CPUs do not use a simple 1:1 memory map. Instead
the map starts at a different address and not all of the SPI flash is
accessible through the map. This 'Fast SPI' feature requires that U-Boot
check the location of the map. It is also possible (optionally) to read
from the SPI flash using a driver.
Add support for booting from Fast SPI. The memory-mapped version is used
by both TPL and SPL on Apollo Lake.
In respect of a SPI flash driver, the actual SPI driver is ich.c - this
just adds a few helper functions and definitions.
This is used by Apollo Lake.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Drivers are not allowed to use static data since they may be used in SPL
where BSS is not available.
It is possible that driver model may provide support for numbering devices
in the future. But for now, move this to global_data.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
You can directly specify the label as the operand for ljmp.
This commit saves 4-byte code.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: fixed the gas warning]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This file defines 'a32' and 'o32' macros to avoid magic numbers
of operand/address-size prefixing.
GAS supports 'data32' and 'addr32' for that purpose.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Move this function into init.h which seems to be designed for this sort
of thing. Also update the header to declare struct global_data so that it
can be included without global_data.h being needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Move these two functions into the irq_funcs.h header file. Also move
interrupt_handler_t as this is used by the irq_install_handler() function.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
These functions do not use driver model but are fairly widely used in
U-Boot. But it is not clear that they will use driver model anytime soon,
so we don't want to label them as 'legacy'.
Move them to a new irq_func.h header file. Avoid the name 'irq.h' since it
is widely used in U-Boot already.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
These functions are CPU-related and do not use driver model. Move them to
cpu_func.h
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
These functions belong in cpu_func.h. Another option would be cache.h
but that code uses driver model and we have not moved these cache
functions to use driver model. Since they are CPU-related it seems
reasonable to put them here.
Move them over.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
We already a message indicating that U-Boot is about to jump to SPL, so
make this one a debug() to reduce code size.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
We don't need to do this and it is done (in more detail) in U-Boot proper.
Drop this to save code space.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present we call spl_init() before identifying the CPU. This is not a
good idea - e.g. if bootstage is enabled then it will try to set up the
timer which works better if the CPU is identified.
Put explicit code at each entry pointer to identify the CPU.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
For TPL we only need to set up the features and identify the CPU to a
basic level. Add a function to handle that.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
In TPL we try to minimise code size so do not include the PCI subsystem.
We can use fixed BARs and drivers can directly program the devices that
they need.
However we do need to bind the devices on the PCI bus and without PCI this
does not ordinarily happen. As a work-around, define a fake PCI bus which
does this binding, but no other PCI operations. This is a convenient way
to ensure that we can use the same device tree for TPL, SPL and U-Boot
proper:
TPL - CONFIG_TPL_PCI is not set (no auto-config, fake PCI bus)
SPL - CONFIG_SPL_PCI is set (no auto-config but with real PCI bus)
U-Boot - CONFIG_PCI is set (full auto-config after relocation)
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
The x86 power unit handles power management. Support initing this device
which is modelled as a new type of system controller since there are no
operations needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present the value of the timer base is used to determine whether the
timer has been set up or not. It is true that the timer is essentially
never exactly 0 when it is read. However 'time 0' may indicate the time
that the machine was reset so it is useful to be able to denote that.
Update the code to use a separate flag instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present these two sections of code are linked together into a single
2KB chunk in a single file. Some Intel SoCs like to have a FIT (Firmware
Interface Table) in the ROM and the pointer for this needs to go at
0xffffffc0 which is in the middle of these two sections.
Make use of the new 'reset' entry and change the existing 16-bit entry to
include just the 16-bit data.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present this produces a 16-byte file. It is intended to start 16 bytes
before the end of ROM and pads with zeroes to readh the end.
But binman sometimes wants to add an image-header at the very end of ROM.
Furthermore binman automatically pads the data if it is finishes early.
Drop the padding in resetvec and let binman handle it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This is not used anywhere now, so drop it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Since x86 users binman now, we don't need this compile-time define.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Many of the Kconfig options do not apply to FSP2. Update them to use the
FSP_VERSION1 condition instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Move the code to determine the size of a cache record into a function so
we can use it elsewhere in this file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present when these fail to boot there is no message, just a hang. Add a
panic so it is obvious that something when wrong.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
With FSP2 we use MTRRs in U-Boot proper even though the 32-bit init
happens in TPL. Enable this, using a variable to try to make the
conditions more palatable.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
We don't need this driver very early in boot and it adds code size. Drop
it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Normally U-Boot handles MTRRs through an add/commit process which
overwrites all MTRRs. But in very early boot it is not desirable to clear
the existing MTRRs since they may be in use and it can cause a hang.
Add a new mtrr_set_next_var() function which sets up the next available
MTRR to the required region.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: pass 'type' to set_var_mtrr() in mtrr_set_next_var()]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Move the code that actually sets up the MTRR into another function so it
can be used elsewhere in the file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
At present these uclasses assumes that they are used with a device tree.
Update them to support of-platdata as well.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add a few more CPU functions that are common on Intel CPUs. Also add
attribution for the code source.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: add missing MSR_IA32_MISC_ENABLE write back in cpu_set_eist();
fix 2 typos in cpu_get_burst_mode_state() comments]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Some MSR registers are defined twice in different parts of the file. Move
them together and remove the duplicates. Also drop some thermal defines
which are not used.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
These functions are the same on modern Intel CPUs, so use common code to
set them.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: return false instead of 0 in cpu_ivybridge_config_tdp_levels();
fix 'muiltiplier' and 'desgn' typos]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Modern Intel CPUs use a standard bus clock value of 100MHz, so put this in
a common file and tidy up the copies.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This code appears in a few places, so move it to a common file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This parameter is needed by the PCI driver-mode interface but is always
NULL on x86. There are a number of calls to this function so it makes
sense to minimise the parameters.
Adjust the x86 function to omit the first parameter, and introduce stub
functions to handle the conversion.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: rebase the patch against u-boot-x86/next to get it applied cleanly]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
At present this hedaer is only available on x86. To allow sandbox to use
it for testing, move it to a common location.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This MSR number is used on most modern Intel processors, so drop the
confusing NHM prefix (which might mean Nehalem).
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: drop MSR_IVT_TURBO_RATIO_LIMIT as no code uses it]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
